(Ἀριάσπης), called by Justin (10.1) Ariarates, one of the three legitimate sons of Artaxerxes Mnemon, was, after the death of his eldest brother Dareius, driven to commit suicide by the intrigues of his other brother, Ochus. (Plut. Art. 100.30.)
A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890